docs: def generate_seviri_file(seviri, platform_name):
      """Generate the pyspectral internal common format relative response
      function file for one SEVIRI
      """
      import h5py
  
      filename = os.path.join(seviri.output_dir,
                              "rsr_seviri_{0}.h5".format(platform_name))
  
      sat_name = platform_name
      with h5py.File(filename, "w") as h5f:
  
          h5f.attrs['description'] = 'Relative Spectral Responses for SEVIRI'
          h5f.attrs['platform_name'] = platform_name
          bandlist = [str(key) for key in seviri.rsr.keys()]
          h5f.attrs['band_names'] = bandlist
  
          for key in seviri.rsr.keys():
              grp = h5f.create_group(key)
              if isinstance(seviri.central_wavelength[key][sat_name], dict):
                  grp.attrs['central_wavelength'] = \
                      seviri.central_wavelength[key][sat_name]['95']
              else:
                  grp.attrs['central_wavelength'] = \
                      seviri.central_wavelength[key][sat_name]
              arr = seviri.rsr[key]['wavelength']
              dset = grp.create_dataset('wavelength', arr.shape, dtype='f')
              dset.attrs['unit'] = 'm'
              dset.attrs['scale'] = 1e-06
              dset[...] = arr
              try:
                  arr = seviri.rsr[key][sat_name]['95']
              except ValueError:
                  arr = seviri.rsr[key][sat_name]
              dset = grp.create_dataset('response', arr.shape, dtype='f')
              dset[...] = arr
  
      return